burn down的音標是[b??n da?n]，翻譯為“燒毀；燒光；燒成平地”。速記技巧是：burn燃燒，down向下。

burn down的英文詞源：

- 詞源：來自古英語 burn，燃燒。

變化形式：復數形式 burns 或 burns down。

相關單詞：

1. burn out：燒毀，燒光；燒掉，熄滅；燒壞，燒傷；耗盡精力，精疲力竭。這個詞組來源于 burn 的形容詞形式 burned，表示被燒的或燒焦的。

2. burn up：燒毀；燒盡；消耗盡；燒光；急躁，發怒。這個詞組也來源于 burn 的形容詞形式 burned，表示燃燒的狀態。

3. burn down the house：把房子燒光，把家燒成廢墟。這句話形象地描述了燒毀房屋的情景。

4. burn the midnight oil：熬夜工作或學習。這個短語來源于 burn 的動詞形式 burn，表示燃燒的狀態，而 midnight 表示深夜。

5. burnished reputation：聲譽受損。這個詞組中的 burnished 來自于 burn 的過去分詞 burned，表示燒焦或受損的狀態。這個詞組用來形容聲譽因某種原因而受損。

以上就是 burn down 的英文詞源、變化形式以及相關單詞的含義和用法。這個詞組在英語中經常出現，表達著各種不同的含義和情境，值得我們進一步學習和理解。

常用短語：

1. burn down (sth) 燒毀（某物）

2. burn out (sth) 燒掉（某物）

3. burn up (sth) 燒焦（某物）

4. burn down (to the ground) 燒毀成平地

5. burn one"s bridges 破釜沉舟

6. burn the midnight oil 熬夜

7. burn the candle at both ends 夜以繼日地工作

雙語例句：

1. The fire burned down the whole building in minutes.

2. The candle burned up all the wax and left a stub.

3. They burned down the bridge behind them to prevent any pursuit.

4. I"ve been burning the midnight oil studying for tomorrow"s exam.

5. The fire burned out all hope for the survivors.

6. The sun burned up the morning sky.

英文小作文：

標題：Fire Safety - The Importance of Prevention

Fire is a destructive force that can burn down our homes, businesses, and communities. While firefighters work hard to put out these fires, we must also remember that prevention is key to keeping ourselves and our loved ones safe from fire. Here are some tips to help us stay safe: Install smoke detectors and carbon monoxide detectors in our homes and businesses. Keep our homes and businesses well-ventilated to prevent buildup of smoke and other flammable materials. Keep our homes and businesses well-stocked with fire extinguishers and other fire safety equipment. If we are cooking, never leave food unattended and make sure we have a fire extinguisher nearby in case of an emergency. Finally, if we see a fire, we should call 911 immediately and stay away from the danger zone to avoid being injured or killed by falling debris or smoke. By following these simple tips, we can help reduce the risk of fire and protect ourselves and our loved ones from this destructive force.